(*
 * (c) Andreas Rossberg 2001-2013
 *
 * Standard ML Basis Library
 *)

signature IO =
sig
  exception Io of {name : string, function : string, cause : exn}
  exception BlockingNotSupported
  exception NonblockingNotSupported
  exception RandomAccessNotSupported
  exception ClosedStream
  datatype buffer_mode = NO_BUF | LINE_BUF | BLOCK_BUF
end;
